[INFO] fetching crate iota-crypto-preview 0.1.0... [INFO] checking iota-crypto-preview-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate iota-crypto-preview 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate iota-crypto-preview 0.1.0 [INFO] finished tweaking crates.io crate iota-crypto-preview 0.1.0 [INFO] tweaked toml for crates.io crate iota-crypto-preview 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate iota-crypto-preview 0.1.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 46 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4354b02471147baf5c1cbe72b4a527275cde7a74180099ef944a5fc10146837 [INFO] running `Command { std: "docker" "start" "-a" "e4354b02471147baf5c1cbe72b4a527275cde7a74180099ef944a5fc10146837", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4354b02471147baf5c1cbe72b4a527275cde7a74180099ef944a5fc10146837", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4354b02471147baf5c1cbe72b4a527275cde7a74180099ef944a5fc10146837", kill_on_drop: false }` [INFO] [stdout] e4354b02471147baf5c1cbe72b4a527275cde7a74180099ef944a5fc10146837 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aef823a16505e39cbaf9f4aa168fa5e867e710df88c01a6c1b7c1b3ae0f1aaf7 [INFO] running `Command { std: "docker" "start" "-a" "aef823a16505e39cbaf9f4aa168fa5e867e710df88c01a6c1b7c1b3ae0f1aaf7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Compiling crunchy v0.2.4 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking iota-common-preview v0.1.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking iota-ternary-preview v0.1.0 [INFO] [stderr] Checking iota-crypto-preview v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/curlp.rs:296:31 [INFO] [stdout] | [INFO] [stdout] 296 | let calculated_hash = curlp27.digest(&input_trit_buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/curlp.rs:297:17 [INFO] [stdout] | [INFO] [stdout] 297 | assert!(calculated_hash.is_ok(), "::Error is Infallible and this assert should never fail"); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/curlp.rs:298:31 [INFO] [stdout] | [INFO] [stdout] 298 | let calculated_hash = calculated_hash [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/curlp.rs:316:31 [INFO] [stdout] | [INFO] [stdout] 316 | let calculated_hash = curlp27.digest(&input_trits); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/curlp.rs:317:17 [INFO] [stdout] | [INFO] [stdout] 317 | assert!(calculated_hash.is_ok(), "::Error is Infallible and this assert should never fail"); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/curlp.rs:318:37 [INFO] [stdout] | [INFO] [stdout] 318 | assert_eq!(expected_hash, &*calculated_hash.unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `iota-crypto-preview` (lib test) due to 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "aef823a16505e39cbaf9f4aa168fa5e867e710df88c01a6c1b7c1b3ae0f1aaf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aef823a16505e39cbaf9f4aa168fa5e867e710df88c01a6c1b7c1b3ae0f1aaf7", kill_on_drop: false }` [INFO] [stdout] aef823a16505e39cbaf9f4aa168fa5e867e710df88c01a6c1b7c1b3ae0f1aaf7